The Honda EG1200X is AC portable generator with 1.2 KVA of maximum power, 1.0 KVA of rated power and 50Hz of rated frequency. The EG1200X generator is available with AC 220V or 240V (depending on model) and rated voltage.
The Honda EG1200X generator is equipped with the GX120 K1 single-cylinder gasoline engine with 118 cm3, (7.2 cu·in) of displacement. The engine has an OHV (overhead valve) design, horizontal carburetor with butterfly valve, and transistorized magneto ignition system. The GX120 K1 engine’s compression ratio rating is 8.5:1, cylinder bore and piston stroke are 60.0 mm (2.4 in) and 42.0 mm (1.7 in), respectively.
The engine produced 3.9 PS (2.9 KW; 4.0 HP) at 4,000 rpm of maximum horsepower and 7.5 N·m (0.75 kg·m, 5.4 ft·lb) at 2,500 rpm of torque.
The Honda EG1200X generator with serial number GX110 1000001-9999999 uses the Honda GX110 engine. A 57.0 mm (2.24 in) cylinder bore and 42.0 mm (1.65 in) piston stroke give the GX110 engine a total of 107 cc of displacement. The compression ratio rating is 8.7:1. This engine produced 3.5 PS (2.6 kW; 3.5 HP) at 4,000 rpm of horsepower and 6.7 N·m (0.7 kg·m, 4.9 ft·lb) at 2,800 rpm of torque.
General information
| Generator Specifications | ||
| Model | Honda EG1200X | |
| Dimensions (L x W x H): | 475 x 390 x 400 mm (18.7 x 15.4 x 15.7 in) | |
| Dry weight | 32.0 kg (70.5 lbs) | |
| AC Rated voltage: | E,F,FH,G,D,GV: 220V U,B: 240V | |
| AC Rated output: | 1.0 KVA | |
| AC Rated ampere: | E,F,FH,G,D,GV: 4.5 A U,B: 4.2 A | |
| AC Maximum output: | 1.2 KVA | |
| Rated frequency: | 50 Hz | |
| Fuel tank capacity | 2.7 liters (0.7 US gal, 0.6 Imp. gal) | |
| Engine Honda GX120 | ||
| Model | Honda GX120 K1 | |
| Displacement | 118 cm3 (7.2 cu-in) | |
| Bore x stroke | 60.0 x 42.0 mm (2.4 x 1.7 in) | |
| Max. horsepower | 3.9 PS (2.9 KW; 4.0 HP) at 4,000 rpm | |
| Max. torque | 7.5 N·m (0.75 kg·m, 5.4 ft·lb) at 2,500 rpm | |
| Carburetor | Horizontal type, butterfly valve | |
| Cooling system | Forced-air | |
| Ignition system | Flywheel magneto ignition | |
| Lubricating system | Splash | |
| Starting system | Recoil starter | |
| Stoping system | Ignition primary circuit ground | |
| Fuel used | Unleaded gasoline (octane number 86 or higher) | |
| Engine Honda GX110 | ||
| Model | Honda GX110 | |
| Displacement | 107 cm3 (6.5 cu-in) | |
| Bore x stroke | 57.0 x 42.0 mm (2.24 x 1.70 in) | |
| Max. horsepower | 3.5 PS (2.6 kW; 3.5 HP) at 4,000 rpm | |
| Max. torque | 6.7 N·m (0.7 kg·m, 4.9 ft·lb) at 2,800 rpm | |
| Carburetor | Horizontal type, butterfly valve | |
| Cooling system | Forced-air | |
| Ignition system | Flywheel magneto ignition | |
| Lubricating system | Splash | |
| Starting system | Recoil starter | |
| Stoping system | Ignition primary circuit ground | |
| Fuel used | Unleaded gasoline (octane number 86 or higher) | |
Honda GX120 maintenance data
| Engine | |
| Cylinder compression: | 6.0-8.5 kg/cm2 (85-121 psi) at 600 rpm |
| Valve clearance | |
| Intake valve clearance: | 0.13-0.17 mm (0.0051-0.0067 in) |
| Exhaust valve clearance: | 0.18-0.22 mm (0.0071-0.0087 in) |
| Oil system | |
| Lubrication system: | Splash |
| Oil type: | API SG, SF/CC, CD |
| Recommended oil: | SAE 10W-30 |
| Oil capacity: | 0.6 L (0.63 US. qt, 0.53 Imp. qt.) |
| Fuel system | |
| Type: | Horizontal type carburetor with butterfly valve |
| Float height: | 13.7 mm (0.5394 in) |
| Ignition system | |
| Type: | Transistorized magneto ignition |
| Ignition timing: | 25° B.T.D.C. (Fixed) |
| Spark plug: | NGK BP6ES, BPR6ES NIPPONDENSO W20EP-U, W20EPR-U |
| Spark plug gap: | 0.7-0.8 mm (0.0276-0.0315 in) |
| Ignition coil air gap | 0.2-0.6 mm (0.0079-0.0236 in) |
Honda GX110 maintenance data
| Engine | |
| Cylinder compression | 6.0-8.5 kg/cm2 (85-151 psi) at 600 rpm |
| Carburetor | |
| Type | Horizontal type, butterfly valve |
| Main jet | #60 |
| Float height | 13.7±1.5 mm (0.54±0.06 in) |
| Pilot screw opening | 2-1/4 turns out |
| Oil system | |
| Lubricating system | Splash type |
| Oil type | Honda 4-stroke or an equivalent (SE or SF) |
| Recommended oil | SAE 10W-30 |
| Oil capacity | 0.6 L (0.63 US. qt, 0.53 Imp. qt.) |
| Ignition system | |
| Ignition timing | B.T.D.C. 25° / 1,400 rpm |
| Type | Transistorized magneto ignition |
| Spark plug | NGK: BPR6ES NIPPONDENSO: W20EPR-U |
| Spark plug gap | 0.7-0.8 mm (0.028-0.031 in) |
| Ignition coil air gap | 0.2-0.6 mm (0.01-0.02 in) |
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